Works great. Reset to defaults. Selling as we change providers and received another integrated ATA from them. Highly reliable Cisco product, supported by many VOIP service providers The model SPA122 has two independent FXS phone lines, and two RJ-45 Ethernet ports (for WAN & LAN). It supports advanced voice QoS setting and voice SIP stack with all common telephone features such as caller ID, call waiting, voicemail, etc. An internal router is included in this model for advanced traffic control. Includes power adapter Contact with a fair price offer to purchase